Home / 11,611.49-17,414.60-3,289.59

Finding the Fourth Proportional to 11,611.49, 17,414.60 and 3,289.59

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Solution

The fourth proportional to 11,611.49, 17,414.60 and 3,289.59 is: 4,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.49 : 17,414.60 = 3,289.59 : x
  2. Step 2: Convert to fraction form
    11,611.49/17,414.60 = 3,289.59/x
  3. Step 3: Cross multiply
    11,611.49x = 17,414.60 × 3,289.59
  4. Step 4: Simplify right side
    11,611.49x = 57,286,877.57
  5. Step 5: Solve for x
    x = 57,286,877.57/11,611.49
  6. Step 6: Final answer
    x = 4,933.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.